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Vahagn Vardanian

Vahagn Vardanian

Co-founder and CTO of RedRays

SAML 2.0 possible XML Signature wrapping attack, SAP security note 1753376

Description

Messages sent and received by the SAML 2.0 Service Provider can be manipulated by a malicious user to allow them to perform unauthorised actions on behalf of another user, thereby generally circumventing the integrity protection provided by the service.

Available fix and Supported packages

  • SECURITY-EXT | 7.20 | 7.20
  • SECURITY-EXT | 7.30 | 7.30
  • SECURITY-EXT | 7.31 | 7.31
  • SECURITY EXTENSIONS 7.20 | SP003 | 000003
  • SECURITY EXTENSIONS 7.20 | SP004 | 000002
  • SECURITY EXTENSIONS 7.20 | SP005 | 000002
  • SECURITY EXTENSIONS 7.20 | SP006 | 000001
  • SECURITY EXTENSIONS 7.20 | SP007 | 000001
  • SECURITY EXTENSIONS 7.20 | SP008 | 000000
  • SECURITY EXTENSIONS 7.20 | SP009 | 000000
  • SECURITY EXTENSIONS 7.30 | SP001 | 000002
  • SECURITY EXTENSIONS 7.30 | SP002 | 000002
  • SECURITY EXTENSIONS 7.30 | SP003 | 000003
  • SECURITY EXTENSIONS 7.30 | SP004 | 000002
  • SECURITY EXTENSIONS 7.30 | SP005 | 000002
  • SECURITY EXTENSIONS 7.30 | SP007 | 000004
  • SECURITY EXTENSIONS 7.30 | SP008 | 000000
  • SECURITY EXTENSIONS 7.30 | SP009 | 000000
  • SECURITY EXTENSIONS 7.31 | SP001 | 000001
  • SECURITY EXTENSIONS 7.31 | SP002 | 000001
  • SECURITY EXTENSIONS 7.31 | SP003 | 000001
  • SECURITY EXTENSIONS 7.31 | SP004 | 000001
  • SECURITY EXTENSIONS 7.31 | SP005 | 000000
  • SECURITY EXTENSIONS 7.31 | SP006 | 000000

Affected component

    BC-JAS-SEC-LGN
    Logon, SSO

CVSS

Score: 0

PoC

Detailed vulnerability information added to RedRays Security Platform. Contact [email protected] for details.

URL

https://launchpad.support.sap.com/#/notes/1753376

TAGS

#SAML-2.0
#Service-Provider
#NetWeaver-AS-Java
#SAML2
#SAML2-SP

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